CN106520019A - Epoxy metal antirust adhesive and preparation method thereof - Google Patents

Epoxy metal antirust adhesive and preparation method thereof Download PDF

Info

Publication number
CN106520019A
CN106520019A CN201610901889.XA CN201610901889A CN106520019A CN 106520019 A CN106520019 A CN 106520019A CN 201610901889 A CN201610901889 A CN 201610901889A CN 106520019 A CN106520019 A CN 106520019A
Authority
CN
China
Prior art keywords
mentioned
parts
stirred
added
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201610901889.XA
Other languages
Chinese (zh)
Inventor
孔华英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TONGLING SIDE TECHNOLOGY Co Ltd
Original Assignee
TONGLING SIDE TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TONGLING SIDE TECHNOLOGY Co Ltd filed Critical TONGLING SIDE TECHNOLOGY Co Ltd
Priority to CN201610901889.XA priority Critical patent/CN106520019A/en
Publication of CN106520019A publication Critical patent/CN106520019A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0869—Acids or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F292/00—Macromolecular compounds obtained by polymerising monomers on to inorganic materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/01—Magnetic additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

The present invention discloses an epoxy metal antirust adhesive, which comprises the following raw materials by weight: 61-70 parts of an ethylene-ethyl acrylate copolymer, 10-18 parts of an epoxy resin E41, 1.7-2 parts of triethylamine, 1-2 parts of zinc dialkyl dithiophosphate, 2-3 parts of dodecenylsuccinic acid, 0.6-2 parts of barium dinonylnaphthalenesulfonate, 0.4-1 part of potassium citrate, 1-2 parts of ethylenediaminetetraacetic acid, 0.1-0.3 part of 8-hydroxyquinoline, 7-9 parts of styrene, 0.04-0.1 part of dibenzoyl peroxide, 0.5-2 parts of ammonium molybdate, 3-5 parts of methyl cellulose, 0.1-0.2 part of phenethyl phenol polyoxyethylene ether, 3-5 parts of lanolin, 4-6 parts of triiron tetraoxide, and 2-3 parts of citric acid. According to the present invention, the dodecenylsuccinic acid, the barium dinonylnaphthalenesulfonate, the lanolin and the like are added, such that the rust resistance of the finished product adhesive can be effectively improved, and the protection on the metal can be improved.

Description

A kind of epoxy metal rust-proofing binding agent and preparation method thereof
Technical field
The present invention relates to adhesive techniques field, more particularly to a kind of epoxy metal rust-proofing binding agent and preparation method thereof.
Background technology
Epoxy resin is a kind of thermosetting resin, and epoxide group is contained at its two ends, available to make which containing ripple hydrogen compound living Curing reaction is cross-linked into network structure, and epoxyn is the important engineering adhesive of a class, but general purpose epoxy resin After solidification, quality is firmly crisp, and resistance to cracking energy, shock resistance are relatively low, and heat resistance is poor.With the progress of science and technology, Particularly hard-core technology development, the characteristic requirements also more and more higher proposed by binding agent, such as require epoxy resin high purity, High-fire resistance, enhanced water resistance, high intensity, high tenacity, low stress, high electrical characteristic, rapid curing, low viscosity, high flame retardant etc.. And, epoxy adhesive also to develop towards high-performance and feature, simple process and low nuisanceless direction, from the epoxy resin soil body Coordinate with the various aspects such as curing agent, constantly release the commodity group of various performances, epoxyn is adapted in electronics electricity The widespread need in the fields such as gas, Aero-Space, machine manufacture, civil construction；
The adhesion strength of binding agent has reacted the quality of the Binder Properties, viscous with various base materials for some special metals Knot, needs binding agent to have higher adhesive property and tolerance, and binding agent feature conventional at present is more single, and Some adhesion strengths are low, weatherability is poor, therefore the present invention prepares a kind of polyfunctional binding agent, in the bonding for metal Meanwhile, also make it have certain Corrosion Protection.
The content of the invention
The object of the invention is exactly for the defect for making up prior art, there is provided a kind of epoxy metal rust-proofing binding agent and its system Preparation Method.
The present invention is achieved by the following technical solutions：
A kind of epoxy metal rust-proofing binding agent, it is made up of the raw material of following weight parts：
Ethylene-ethyl acrylate copolymer 61-70, epoxy resin E4110-18, triethylamine 1.7-2, dialkyl dithiophosphoric acid Zinc 1-2, dodecenylsuccinic acid 2-3, dinonyl naphthalene sulfonate barium 0.6-2, potassium citrate 0.4-1, ethylenediamine tetra-acetic acid 1-2,8- Oxyquinoline 0.1-0.3, styrene 7-9, dibenzoyl peroxide 0.04-0.1, ammonium molybdate 0.5-2, methylcellulose 3-5, benzene Ethyl phenol polyethenoxy ether 0.1-0.2, lanolin 3-5, ferroso-ferric oxide 4-6, citric acid 2-3.
A kind of preparation method of described epoxy metal rust-proofing binding agent, comprises the following steps：
（1）Above-mentioned methylcellulose is added in the deionized water of its weight 37-40 times, is stirred, dropwise addition concentration is 10- 13% ammoniacal liquor, regulation pH are 10-12, and it is 50-60 DEG C to rise high-temperature, insulated and stirred 20-30 minute, adds above-mentioned ammonium molybdate, stirs Mix to normal temperature, obtain fiber dispersion；
（2）Above-mentioned citric acid, ferroso-ferric oxide are mixed, is added in the deionized water of compound weight 80-90 times, ultrasound 30-45 minutes, above-mentioned fiber dispersion is added, is stirred, filter cake is vacuum dried at 60-70 DEG C suction filtration 1-2 hours, Obtain sour modification ferroso-ferric oxide；
（3）Above-mentioned 8-hydroxyquinoline is added in the absolute ethyl alcohol of its weight 24-30 times, is stirred, liter high-temperature is 80- 90 DEG C, above-mentioned dinonyl naphthalene sulfonate barium is added, insulated and stirred 7-10 minute, above-mentioned styrene is added, is stirred to normal temperature, obtain rust-proofing Monomeric polyol liquid；
（4）Above-mentioned lanolin is added in the absolute ethyl alcohol of its weight 50-60 times, is stirred, add phenethyl phenol polyoxy Vinethene, stirs, and adds above-mentioned rust-proofing monomeric polyol liquid, is passed through nitrogen, adds above-mentioned dibenzoyl peroxide, rises high-temperature For 70-75 DEG C, insulated and stirred 37-40 minute, above-mentioned acid modification ferroso-ferric oxide is added, ultrasonic 4-9 minutes, obtains polymer-modified Alcohol liquid；
（5）Above-mentioned ethylene-ethyl acrylate copolymer is added in above-mentioned polymer-modified alcohol liquid, is stirred, in addition Dodecenylsuccinic acid is stated, is sent in 110-120 DEG C of oil bath, insulated and stirred 20-30 minute, discharging, with remaining each raw material Mixing, stirs, and ethanol is distilled off, and adds remaining each raw material, continues stirring 10-20 minutes, the cooling of Jing tanks, cuts into Type, dehydration, vacuum drying are obtained final product.
It is an advantage of the invention that：The present invention can make its conduct initially with 304 nano-particle of citric acid modification magnetic Fe Aqueous favoring participates in the polymerisation of styrene monomer, and so as to improve the anti-corrosive properties and hydrophobicity of finished product binding agent, the present invention is added Dodecenylsuccinic acid, dinonyl naphthalene sulfonate barium, lanolin etc., can effectively improve the rust-resisting property of finished product binding agent, Improve the protective to metal.
Specific embodiment
A kind of epoxy metal rust-proofing binding agent, it is made up of the raw material of following weight parts：
Ethylene ethyl acrylate copolymer 61, epoxy resin E4110, triethylamine 1.7, zinc dialkyl dithiophosphate 1, laurylene Base succinic acid 2, dinonyl naphthalene sulfonate barium 0.6, potassium citrate 0.4, ethylenediamine tetra-acetic acid 1,8 oxyquinolines 0.1, styrene 7, mistake Oxidation dibenzoyl 0.04, ammonium molybdate 0.5, methylcellulose 3, phenethyl phenol polyethenoxy ether 0.1, the oxidation of lanolin 3, four three Iron 4, citric acid 2.
A kind of preparation method of described epoxy metal rust-proofing binding agent, comprises the following steps：
（1）Above-mentioned methylcellulose is added in the deionized water of 37 times of its weight, is stirred, it is 10% that concentration is added dropwise Ammoniacal liquor, it is 10 to adjust pH, and it is 50 DEG C to rise high-temperature, and insulated and stirred 20 minutes adds above-mentioned ammonium molybdate, stirs to normal temperature, obtain fine Dimension dispersion liquid；
（2）Above-mentioned citric acid, ferroso-ferric oxide are mixed, is added in the deionized water of 80 times of compound weight, 30 points of ultrasound Clock, adds above-mentioned fiber dispersion, stirs, and filter cake is vacuum dried 1 hour at 60 DEG C by suction filtration, obtains four oxygen of sour modification Change three-iron；
（3）Above-mentioned 8 oxyquinoline is added in the absolute ethyl alcohol of 24 times of its weight, is stirred, it is 80 DEG C to rise high-temperature, plus Enter above-mentioned dinonyl naphthalene sulfonate barium, insulated and stirred 7 minutes adds above-mentioned styrene, stirs to normal temperature, obtain rust-proofing monomeric polyol liquid；
（4）Above-mentioned lanolin is added in the absolute ethyl alcohol of 50 times of its weight, is stirred, add phenethyl phenol polyoxyethylene Ether, stirs, and adds above-mentioned rust-proofing monomeric polyol liquid, is passed through nitrogen, adds above-mentioned dibenzoyl peroxide, and it is 70 to rise high-temperature DEG C, insulated and stirred 37 minutes adds above-mentioned acid modification ferroso-ferric oxide, ultrasound 4 minutes to obtain polymer-modified alcohol liquid；
（5）Above-mentioned ethylene ethyl acrylate copolymer is added in above-mentioned polymer-modified alcohol liquid, is stirred, added above-mentioned Dodecenylsuccinic acid, is sent in 110 DEG C of oil bath, insulated and stirred 20 minutes, discharging, mixes with remaining each raw material, stirs Uniformly, ethanol is distilled off, remaining each raw material is added, continues stirring 10 minutes, the cooling of Jing tanks, cut-out shaping, dehydration, vacuum It is dried, obtains final product.
Medium-resistance：（Shear strength conservation rate % after soaking 3 days in 90 DEG C of solution）：0# diesel oil 99.1, distilled water 99.8；
Lower temperature resistance：Do not freeze within 7 days at -30 DEG C；
Durability：It is indoor to use 10-20, outdoor 3-5
Adhesion strength：3.5MPa；
Viscosity：3700mPa.s.

Claims (2)

1. a kind of epoxy metal rust-proofing binding agent, it is characterised in that it is made up of the raw material of following weight parts：
Ethylene-ethyl acrylate copolymer 61-70, epoxy resin E4110-18, triethylamine 1.7-2, dialkyl dithiophosphoric acid Zinc 1-2, dodecenylsuccinic acid 2-3, dinonyl naphthalene sulfonate barium 0.6-2, potassium citrate 0.4-1, ethylenediamine tetra-acetic acid 1-2,8- Oxyquinoline 0.1-0.3, styrene 7-9, dibenzoyl peroxide 0.04-0.1, ammonium molybdate 0.5-2, methylcellulose 3-5, benzene Ethyl phenol polyethenoxy ether 0.1-0.2, lanolin 3-5, ferroso-ferric oxide 4-6, citric acid 2-3.
2. a kind of preparation method of epoxy metal rust-proofing binding agent as claimed in claim 1, it is characterised in that including following step Suddenly：
（1）Above-mentioned methylcellulose is added in the deionized water of its weight 37-40 times, is stirred, dropwise addition concentration is 10- 13% ammoniacal liquor, regulation pH are 10-12, and it is 50-60 DEG C to rise high-temperature, insulated and stirred 20-30 minute, adds above-mentioned ammonium molybdate, stirs Mix to normal temperature, obtain fiber dispersion；
（2）Above-mentioned citric acid, ferroso-ferric oxide are mixed, is added in the deionized water of compound weight 80-90 times, ultrasound 30-45 minutes, above-mentioned fiber dispersion is added, is stirred, filter cake is vacuum dried at 60-70 DEG C suction filtration 1-2 hours, Obtain sour modification ferroso-ferric oxide；
（3）Above-mentioned 8-hydroxyquinoline is added in the absolute ethyl alcohol of its weight 24-30 times, is stirred, liter high-temperature is 80- 90 DEG C, above-mentioned dinonyl naphthalene sulfonate barium is added, insulated and stirred 7-10 minute, above-mentioned styrene is added, is stirred to normal temperature, obtain rust-proofing Monomeric polyol liquid；
（4）Above-mentioned lanolin is added in the absolute ethyl alcohol of its weight 50-60 times, is stirred, add phenethyl phenol polyoxy Vinethene, stirs, and adds above-mentioned rust-proofing monomeric polyol liquid, is passed through nitrogen, adds above-mentioned dibenzoyl peroxide, rises high-temperature For 70-75 DEG C, insulated and stirred 37-40 minute, above-mentioned acid modification ferroso-ferric oxide is added, ultrasonic 4-9 minutes, obtains polymer-modified Alcohol liquid；
（5）Above-mentioned ethylene-ethyl acrylate copolymer is added in above-mentioned polymer-modified alcohol liquid, is stirred, in addition Dodecenylsuccinic acid is stated, is sent in 110-120 DEG C of oil bath, insulated and stirred 20-30 minute, discharging, with remaining each raw material Mixing, stirs, and ethanol is distilled off, and adds remaining each raw material, continues stirring 10-20 minutes, the cooling of Jing tanks, cuts into Type, dehydration, vacuum drying are obtained final product.
CN201610901889.XA 2016-10-18 2016-10-18 Epoxy metal antirust adhesive and preparation method thereof Withdrawn CN106520019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610901889.XA CN106520019A (en) 2016-10-18 2016-10-18 Epoxy metal antirust adhesive and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610901889.XA CN106520019A (en) 2016-10-18 2016-10-18 Epoxy metal antirust adhesive and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106520019A true CN106520019A (en) 2017-03-22

Family

ID=58332431

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610901889.XA Withdrawn CN106520019A (en) 2016-10-18 2016-10-18 Epoxy metal antirust adhesive and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106520019A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108047879A (en) * 2017-12-06 2018-05-18 季雅佩 A kind of antirust waterborne epoxy coatings and preparation method thereof
CN108165964A (en) * 2018-01-22 2018-06-15 唐凤骏 A kind of polyaniline colloidal sol metal conditioner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105295749A (en) * 2015-11-25 2016-02-03 苏州捷德瑞精密机械有限公司 Water resistance metal binder and preparation method thereof
CN105331315A (en) * 2015-11-19 2016-02-17 苏州捷德瑞精密机械有限公司 Plastic-metal binder and preparation method thereof
CN105885611A (en) * 2016-06-08 2016-08-24 合肥和安机械制造有限公司 Polymer metallic copper anticorrosive coating and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105331315A (en) * 2015-11-19 2016-02-17 苏州捷德瑞精密机械有限公司 Plastic-metal binder and preparation method thereof
CN105295749A (en) * 2015-11-25 2016-02-03 苏州捷德瑞精密机械有限公司 Water resistance metal binder and preparation method thereof
CN105885611A (en) * 2016-06-08 2016-08-24 合肥和安机械制造有限公司 Polymer metallic copper anticorrosive coating and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108047879A (en) * 2017-12-06 2018-05-18 季雅佩 A kind of antirust waterborne epoxy coatings and preparation method thereof
CN108165964A (en) * 2018-01-22 2018-06-15 唐凤骏 A kind of polyaniline colloidal sol metal conditioner

Similar Documents

Publication Publication Date Title
CN110016311B (en) Fast-curing epoxy resin adhesive and preparation method thereof
CN104789958A (en) Anticorrosion coating for metal surface and preparation method of anticorrosion coating
CN106520019A (en) Epoxy metal antirust adhesive and preparation method thereof
CN107163894A (en) A kind of high-strength, quick-drying moisture-proof adhesive and preparation method thereof
CN104193236B (en) A kind of high strength filleting mortar and preparation method thereof
CN109943197A (en) A kind of water-based antirusting paint operable with rust and preparation method thereof
CN106520018A (en) Aerogel epoxy metal binder and preparation method thereof
CN103936924B (en) A kind of polymer slag grinding aid and its preparation method and application
CN102993842B (en) A kind of benzene emulsion waterborne rusted paint and preparation method thereof
CN104557000A (en) Anti-interference ferrite magnetic core material
CN108690980A (en) A kind of galvanized steel plain sheet trivalent chromium passivator concentrate and preparation method
CN106634128A (en) Anti-corrosion metal coating for hydraulic cylinder and preparation method thereof
CN103667989B (en) A kind of rare earth abrasion-proof stainless steel lining material and preparation method thereof
CN103627959B (en) A kind of Heat-resistant alloy steel liner plate material and preparation method thereof
CN102964536B (en) Epoxy acrylate composite emulsion and preparation method thereof
CN104293008A (en) Preparation method of environment-friendly semi-organic insulating coating for high silicon steel
CN104465004A (en) Method for manufacturing high-saturation-flux-density soft magnetic composite material according to alkaline bluing technique
CN104183381A (en) Preparation method of transformer iron core
CN107033791A (en) A kind of epoxy anticorrosive metal binding agent and preparation method thereof
CN105754493A (en) Anaerobic and impact-resistant magnetic steel glue as well as preparation method and application thereof
CN104557011A (en) Ferrite core material for communication
CN103667990B (en) A kind of heat-resistance abrasion-resistance alloy steel liner plate material and preparation method thereof
CN109968481A (en) A kind of fire retarding wood modifying agent and preparation method thereof
CN103642285B (en) A kind of automobile-used acrylic resin paint and preparation method thereof
CN101445890B (en) Novel high-strength and low-magnetic steel

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20170322